| PICO, PICOS and SPIDER: a comparison study of specificity and sensitivity in three search tools for qualitative systematic reviews AM Methley, S Campbell, C Chew-Graham, R McNally, S Cheraghi-Sohi BMC health services research 14 (1), 1-10, 2014 | 2420 | 2014 |
| Defining quality of care SM Campbell, MO Roland, SA Buetow Social science & medicine 51 (11), 1611-1625, 2000 | 2074 | 2000 |
| The impact of budgets for gatekeeping physicians on patient satisfaction: evidence from fundholding M Dusheiko, H Gravelle, N Yu, S Campbell Journal of health economics 26 (4), 742-762, 2007 | 2054 | 2007 |
| Research methods used in developing and applying quality indicators in primary care SM Campbell, J Braspenning, A Hutchinson, M Marshall Quality and Safety in Health Care 11 (4), 358-364, 2002 | 1670 | 2002 |
| Effects of pay for performance on the quality of primary care in England SM Campbell, D Reeves, E Kontopantelis, B Sibbald, M Roland New England Journal of Medicine 361 (4), 368-378, 2009 | 912 | 2009 |
| Prevalence, severity, and nature of preventable patient harm across medical care settings: systematic review and meta-analysis M Panagioti, K Khan, RN Keers, A Abuzour, D Phipps, E Kontopantelis, ... bmj 366, 2019 | 709 | 2019 |
| Identifying predictors of high quality care in English general practice: observational study SM Campbell, M Hann, J Hacker, C Burns, D Oliver, A Thapar, N Mead, ... Bmj 323 (7316), 784, 2001 | 629 | 2001 |
| Quality of primary care in England with the introduction of pay for performance S Campbell, D Reeves, E Kontopantelis, E Middleton, B Sibbald, ... New England Journal of Medicine 357 (2), 181-190, 2007 | 592 | 2007 |
| Canadian-French, German and UK versions of the Child Health Questionnaire: methodology and preliminary item scaling results JM Landgraf, E Maunsell, K Nixon Speechley, M Bullinger, S Campbell, ... Quality of Life Research 7, 433-445, 1998 | 497 | 1998 |
| Team structure, team climate and the quality of care in primary care: an observational study P Bower, S Campbell, C Bojke, B Sibbald BMJ Quality & Safety 12 (4), 273-279, 2003 | 394 | 2003 |
| Effect of financial incentives on incentivised and non-incentivised clinical activities: longitudinal analysis of data from the UK Quality and Outcomes Framework T Doran, E Kontopantelis, JM Valderas, S Campbell, M Roland, ... Bmj 342, 2011 | 387 | 2011 |
| Systematic review of studies of quality of clinical care in general practice in the UK, Australia and New Zealand ME Seddon, MN Marshall, SM Campbell, MO Roland BMJ Quality & Safety 10 (3), 152-158, 2001 | 382 | 2001 |
| Why do people consult the doctor? SM Campbell, MO Roland Family practice 13 (1), 75-83, 1996 | 350 | 1996 |
| Prescribing indicators for UK general practice: Delphi consultation study SM Campbell, JA Cantrill, D Roberts Bmj 321 (7258), 425, 2000 | 338 | 2000 |
| Consensus methods in prescribing research. SM Campbell, JA Cantrill Journal of Clinical Pharmacy & Therapeutics 26 (1), 2001 | 333 | 2001 |
| Measuring quality of life MEM Jenney, S Campbell Archives of disease in childhood 77 (4), 347-350, 1997 | 288 | 1997 |
| Impact of financial incentives on clinical autonomy and internal motivation in primary care: ethnographic study R McDonald, S Harrison, K Checkland, SM Campbell, M Roland Bmj 334 (7608), 1357, 2007 | 278 | 2007 |
| Diagnosis of physical and mental health conditions in primary care during the COVID-19 pandemic: a retrospective cohort study R Williams, DA Jenkins, DM Ashcroft, B Brown, S Campbell, MJ Carr, ... The Lancet Public Health 5 (10), e543-e550, 2020 | 265 | 2020 |
| Improvements in quality of clinical care in English general practice 1998-2003: longitudinal observational study SM Campbell, MO Roland, E Middleton, D Reeves Bmj 331 (7525), 1121, 2005 | 265 | 2005 |
| Comparison of teleconsultations and face‐to‐face consultations: preliminary results of a United Kingdom multicentre teledermatology study E Gilmour, SM Campbell, MA Loane, A Esmail, CEM Griffiths, MO Roland, ... British Journal of Dermatology 139 (1), 81-87, 1998 | 260 | 1998 |
